package demo.domain;


/**
 * @author : feixiang.li
 * @since : 2025-09-09 22:40
 */
public class Test1 {

    public static void main(String[] args) {
        System.out.println(6 & 3);
        for (int i = 0; i < 20; i++) {
            System.out.println(16 | i);
        }
    }
}
